Catalyst demetallization and process for using demetallized cata

Catalyst demetallization by converting the metal poisons to a su

Catalyst demetallization by oxidation in a defined temperature r

Catalyst dewaxing process using a slurry phase bubble column rea

Catalyst for cracking oil feedstocks contaminated with metal

Catalyst for hydrocracking and method for catalytic hydrodewaxin

Catalyst for mid-barrel hydrocracking and process using same

Catalyst for reduction of SO.sub.x emissions from FCC units

Catalyst recovery from light olefin FCC effluent

Catalyst regeneration

Catalyst regenerator with a centerwell

Catalyst system for combined hydrotreating and hydrocracking and

Catalyst system for maximizing light olefin yields in FCC

Catalyst that comprises a clay and an element of group VB,...

Catalyst that comprises a partially amorphous Y zeolite and...

Catalyst that comprises a partially amorphous Y zeolite, an...

Catalyst that contains a zeolite that is high in an element...

Catalyst that contains a zeolite that is high in an element...

Catalysts and hydroconversion processes utilizing the same

Catalysts over steam activated zeolite catalyst